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54545378528840 = 2353143988208491
BaseRepresentation
bin11000110011011110101011…
…11010010100111001001000
321011010111011012202210022212
430121233111322110321020
524122132413400410330
6312001445002004252
714326526220426533
oct1431572572247110
9234114135683285
1054545378528840
111641a624203551
12614b314aa6688
1324587b7b11c74
14d680207b1a1a
15648cb550d295
hex319bd5e94e48

54545378528840 has 32 divisors (see below), whose sum is σ = 126686040456960. Its totient is φ = 21114340075200.

The previous prime is 54545378528833. The next prime is 54545378528867. The reversal of 54545378528840 is 4882587354545.

54545378528840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21994103006 + ... + 21994105485.

It is an arithmetic number, because the mean of its divisors is an integer number (3958938764280).

Almost surely, 254545378528840 is an apocalyptic number.

It is an amenable number.

54545378528840 is an abundant number, since it is smaller than the sum of its proper divisors (72140661928120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54545378528840 is a wasteful number, since it uses less digits than its factorization.

54545378528840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43988208533 (or 43988208529 counting only the distinct ones).

The product of its (nonzero) digits is 860160000, while the sum is 68.

The spelling of 54545378528840 in words is "fifty-four trillion, five hundred forty-five billion, three hundred seventy-eight million, five hundred twenty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 43988208491 87976416982 175952833964 219941042455 351905667928 439882084910 879764169820 1363634463221 1759528339640 2727268926442 5454537852884 6818172316105 10909075705768 13636344632210 27272689264420 54545378528840